Once raised, inflationary expectations tend to burn brightly and are famously difficult to extinguish, but the Fed appears to have decided that the risks of deflation and the overall sluggishness of the economy justify the gamble.

FORBES: The Federal Reserve Stirs Poltergeist Of Hyperinflation, Weimar Collapse

Sick says it's difficult to figure out the administration's strategy, but it appears it wants to accomplish two things.

NPR: White House Approach to Iran Stirs Concerns